Manuscript Summary: The so-called "Zürcher Psalter" (Zurich Psalter) or "St. Galler Psalter" (St. Gallen Psalter), written and decorated in the scriptorum of the monastery of St. Gall, with numerous initial capitals as well as with the oldest extant artistically sophisticated miniature found in the St. Gallen manuscripts, from about 820/830. Includes appended All Saints Litany and computational tables and diagrams. Used daily by the monks in the liturgy of the hours. (smu)